Home / 7,829.96-11,751.62-4,134.88

Finding the Fourth Proportional to 7,829.96, 11,751.62 and 4,134.88

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Solution

The fourth proportional to 7,829.96, 11,751.62 and 4,134.88 is: 6,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.96 : 11,751.62 = 4,134.88 : x
  2. Step 2: Convert to fraction form
    7,829.96/11,751.62 = 4,134.88/x
  3. Step 3: Cross multiply
    7,829.96x = 11,751.62 × 4,134.88
  4. Step 4: Simplify right side
    7,829.96x = 48,591,538.51
  5. Step 5: Solve for x
    x = 48,591,538.51/7,829.96
  6. Step 6: Final answer
    x = 6,205.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.